Polar-fluoropolymer blends with tailored nanostructures for high energy density low loss capacitor applications

Shan Wu, Minren Lin, S. G. Lu, Lei Zhu, Qiming Zhang

    Research output: Contribution to journalArticle

    49 Citations (Scopus)

    Abstract

    A polar-fluoropolymer blend consisting of a high energy density poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE)) and a low dielectric loss poly(ethylene-chlorotrifluoroethylene) (ECTFE) was developed. Both the blend and crosslinked blend films exhibit a dielectric constant of 7 and low loss (∼1%), as expected from the classical composite theory. Moreover, introducing crosslinking in the blends can lead to a marked reduction of losses in blend films at high fields while maintaining a high energy density. At 250 MV/m, a loss of 3% can be achieved in the crosslinked blend compared with 7% loss in pure blend, which is already much below that of neat P(VDF-CTFE) (∼35%).

    Original languageEnglish (US)
    Article number132901
    JournalApplied Physics Letters
    Volume99
    Issue number13
    DOIs
    StatePublished - Sep 26 2011

    Fingerprint

    fluoropolymers
    capacitors
    flux density
    vinylidene
    fluorides
    crosslinking
    dielectric loss
    ethylene
    permittivity
    composite materials

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

    Cite this

    @article{6da98d03c0a7445d9c4fd621a913fad9,
    title = "Polar-fluoropolymer blends with tailored nanostructures for high energy density low loss capacitor applications",
    abstract = "A polar-fluoropolymer blend consisting of a high energy density poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE)) and a low dielectric loss poly(ethylene-chlorotrifluoroethylene) (ECTFE) was developed. Both the blend and crosslinked blend films exhibit a dielectric constant of 7 and low loss (∼1{\%}), as expected from the classical composite theory. Moreover, introducing crosslinking in the blends can lead to a marked reduction of losses in blend films at high fields while maintaining a high energy density. At 250 MV/m, a loss of 3{\%} can be achieved in the crosslinked blend compared with 7{\%} loss in pure blend, which is already much below that of neat P(VDF-CTFE) (∼35{\%}).",
    author = "Shan Wu and Minren Lin and Lu, {S. G.} and Lei Zhu and Qiming Zhang",
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    Polar-fluoropolymer blends with tailored nanostructures for high energy density low loss capacitor applications. / Wu, Shan; Lin, Minren; Lu, S. G.; Zhu, Lei; Zhang, Qiming.

    In: Applied Physics Letters, Vol. 99, No. 13, 132901, 26.09.2011.

    Research output: Contribution to journalArticle

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    T1 - Polar-fluoropolymer blends with tailored nanostructures for high energy density low loss capacitor applications

    AU - Wu, Shan

    AU - Lin, Minren

    AU - Lu, S. G.

    AU - Zhu, Lei

    AU - Zhang, Qiming

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    AB - A polar-fluoropolymer blend consisting of a high energy density poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE)) and a low dielectric loss poly(ethylene-chlorotrifluoroethylene) (ECTFE) was developed. Both the blend and crosslinked blend films exhibit a dielectric constant of 7 and low loss (∼1%), as expected from the classical composite theory. Moreover, introducing crosslinking in the blends can lead to a marked reduction of losses in blend films at high fields while maintaining a high energy density. At 250 MV/m, a loss of 3% can be achieved in the crosslinked blend compared with 7% loss in pure blend, which is already much below that of neat P(VDF-CTFE) (∼35%).

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